Forward Citations = 20

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4 inventors (with patents filed for the assignee):

Ulrich Gerhard Baudis (3 out of 9 patents)

Stefan Wigger (2 out of 5 patents)

Karl-Otto Prietzel (1 out of 1 patent)

4. Mandy Doose (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 6503344 - Boronizing agent in paste form (2003-01-07),

2. 6245162 - Boriding agent (2001-06-12),

3. 6159355 - Process for the electrolytic production of cyanide in nitrocarburizing (2000-12-12),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#54 in G-6800 Mannheim

#8,434 in Germany

Mannheim, Germany

Houghton Durferrit Gmbh

Forward Citations = 20

4 inventors:

Ulrich Gerhard Baudis (3 out of 9 patents)

Stefan Wigger (2 out of 5 patents)

Karl-Otto Prietzel (1 out of 1 patent)

4. Mandy Doose (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Houghton Durferrit Gmbh. Retrieved from https://idiyas.com/company/houghton-durferrit

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]